Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
CQ, ICM, NS, NV (Joint) |
2021-11-25 11:55 |
Fukuoka |
JR Hakata Stn. Hakata EkiHigashi Rental Room (Primary: On-site, Secondary: Online) |
Routing and Wavelength Assignment based on Quality of Transmission and Modulation Hanami Yokoi, Kohjun Koshiji, Yasuharu Kaneko, Tatsuya Matsukawa, Takashi Miyamura (NTT) NS2021-87 |
In recent years, with the increase in the speed and capacity of optical transmission networks, it is necessary to operat... [more] |
NS2021-87 pp.18-23 |
NS |
2021-05-14 10:55 |
Online |
Online |
Spectrum Defragmentation based on Path Classification in Optical Network Hanami Yokoi, Kohjun Koshiji, Yasuharu Kaneko, Tatsuya Matsukawa, Mika Ishizuka, Takafumi Hamano (NTT) NS2021-23 |
In recent years, with the increase in the speed and capacity of optical transmission networks, it is necessary to operat... [more] |
NS2021-23 pp.50-55 |
NS, IN (Joint) |
2020-03-05 11:40 |
Okinawa |
Royal Hotel Okinawa Zanpa-Misaki (Cancelled but technical report was issued) |
A proposal of topology design method for optical transmission networks Kohjun Koshiji (NTT), Masaki Okada (JAIST), Yasuharu Kaneko, Mika Ishizuka, Saburo Seto, Seisho Yasukawa (NTT) NS2019-200 |
In recent years, with the spread of communication services utilizing AI (Artificial Intelligence) and IoT (Internet of T... [more] |
NS2019-200 pp.135-140 |
NS |
2019-04-19 10:50 |
Kagoshima |
Tenmonkan Vision Hall |
Data backup selection on the basis of disaster area at edge computing Takuma Tsubaki, Naoki Higo, Kohjun Koshiji, Toshimitsu Tsubaki, Takeshi Kuwahara, Yoshikatsu Okazaki (NTT) NS2019-13 |
Recently, edge computing (EC) has attracted attention to the spread of Internet of Things (IoT). EC places resources in ... [more] |
NS2019-13 pp.73-77 |
IN, NS (Joint) |
2019-03-04 10:30 |
Okinawa |
Okinawa Convention Center |
A Study of the network function for Distributed Stream Processing in the Edge-computing Naoki Higo, Takuma Tsubaki, Kohjun Koshiji, Toshimitsu Tsubaki, Takeshi Kuwahara (NTT) NS2018-210 |
In the environment of edge computing, each datacenter has resource limitations of computing. Therefore, we aim to effici... [more] |
NS2018-210 pp.99-104 |
IN, NS (Joint) |
2019-03-05 15:20 |
Okinawa |
Okinawa Convention Center |
Effective message transmission by network assistance
-- Message transfer based on change of network state -- Kohjun Koshiji, Naoki Higo, Takuma Tsubaki, Toshimitsu Tsubaki, Yuuki Yano, Masanao Nakano, Takao Kurahashi, Takeshi Kuwahara (NTT) NS2018-283 |
In recent years, with the progress of IoT (Internet of Things), the number of IoT services for controlling devices throu... [more] |
NS2018-283 pp.515-520 |
NS, OCS, PN (Joint) |
2018-06-15 12:55 |
Fukushima |
Koriyama-Shoko-Kaigisho |
[Encouragement Talk]
Effective message transmission by network assistance
-- Performance evaluation of proposal function -- Kohjun Koshiji, Naoki Higo, Toshimitsu Tsubaki, Takeshi Kuwahara, Masanao Nakano, Tatsuya Ishihara (NTT) NS2018-32 |
In recent years, the number of IoT (Internet of Things) services for controlling devices via a network has increased. Ho... [more] |
NS2018-32 pp.25-30 |
NS, IN (Joint) |
2018-03-01 11:10 |
Miyazaki |
Phoenix Seagaia Resort |
Effective message transmission by network assistance Kohjun Koshiji, Naoki Higo, Toshimitsu Tsubaki, Yoshiko Sueda, Masanao Nakano, Tatsuya Ishihara (NTT) NS2017-189 |
In recent years, the network has become sophisticated by the application of virtualization technology, etc., and the beh... [more] |
NS2017-189 pp.125-130 |
ASN, RCS, NS, SR (Joint) |
2013-07-19 17:10 |
Shizuoka |
Hamamatsu Act City |
An Economic Impact Evaluation of Telecom Service Disruptions Considering the Capital Loss Yasuto Nakanishi, Shuichi Karasawa, Kohjun Koshiji, Hiroyuki Funakoshi, Yasunori Matsubayashi (NTT) NS2013-70 |
We have proposed evaluation methods for the social influence of telecom service disruptions as an economic impact. The ... [more] |
NS2013-70 pp.197-202 |
CQ |
2013-07-11 13:00 |
Hokkaido |
Hokkaido University |
A failure rate estimation considering the change in the number of equipments
-- Improvement of calculation method -- Hiroyuki Funakoshi, Kohjun Koshiji (NTT) CQ2013-14 |
The authors have been proposed the failure rate estimation method considering the change in the number of equipments for... [more] |
CQ2013-14 pp.1-6 |
IN, IA (Joint) |
2012-12-14 16:10 |
Hiroshima |
Hiroshima City Univ. |
A study on the relationship between repair time distribution and repair pattern for telecommunication networks Hiroyuki Funakoshi, Kohjun Koshiji (NTT) IN2012-137 |
The authors have been declared that repair-time distribution for telecommunication networks approximates to mixing log-n... [more] |
IN2012-137 pp.91-96 |
CQ, ICM, NS (Joint) |
2012-11-15 09:40 |
Shiga |
Nagahama Inst. of Bio-Science and Tech. |
Reliability Evaluation Considering Communication Scale
-- Estimation of the Evaluation and Application for the Evaluation -- Kohjun Koshiji, Hiroyuki Funakoshi, Shuichi Karasawa, Yasunori Matsubayashi (NTT) CQ2012-59 |
The social demand for securing telecommunications in disasters, such as the Great East Japan Earthquake last year, has b... [more] |
CQ2012-59 pp.13-18 |
PRMU, MVE, CQ, IPSJ-CVIM [detail] |
2012-01-19 11:40 |
Osaka |
|
A study on reliability evaluation technique for IPTV service Yasuto Nakanishi, Kohjun Koshiji, Hiroyuki Funakoshi (NTT), Hitoshi Watanabe (Tokyo Univ of Science) CQ2011-64 |
(To be available after the conference date) [more] |
CQ2011-64 pp.49-54 |
EE, CPM |
2009-01-23 10:20 |
Tokyo |
Kikai-Shinko-Kaikan Bldg. |
An Investigation of Reliability Simulation of Redundant Systems
-- Application for Power systems and Air-conditioning Systems -- Kohjun Koshiji, Hitoshi Watanabe (Tokyo Univ. of Science) EE2008-54 CPM2008-133 |
(To be available after the conference date) [more] |
EE2008-54 CPM2008-133 pp.1-6 |